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前言小麦全蚀病的病情蔓延速度较快,为害比较严重,据国内冬麦区报导,患有全蚀病的麦田另星发生至成片死亡仅三年左右。受病地块轻者减产一至二成,重者减产一半以上,甚至绝产,所以它是一种毁灭性的病害。之所以称之为“全蚀病”,顾名思义,也可知其为害的严重性。内蒙古自治区1974年在乌盟军分区农场发现该病后,危害程度逐年加重,发生面积也在逐年扩大。目前除新划入的呼盟、哲盟、昭盟、兴安盟、阿拉善盟未做调查外,原西部乌盟、锡盟、伊盟、巴盟、呼市、包头等地均有不同程度的发生。其中以乌盟地区
Foreword Wheat eclipse disease spread faster, more serious damage, according to the report of the domestic winter wheat area, suffering from eclipses in the wheat field another star to film death only about three years. It is a devastating disease that one to two percent of those who suffer from light lands will reduce their output by more than half, or even become aborted. The reason why the so-called “eclipse disease”, as the name suggests, can also know the seriousness of its damage. In 1974, the Inner Mongolia Autonomous Region found the disease in the Wusun Army subdivision farm, the degree of harm increased year by year, and the area of occurrence also expanded year by year. At present, except for the newly assigned Hue Meng, Zhe Meng, Zhao Meng, Xing An Meng, and Al Hsien Meng, without surveys, the former western Uygur, Ximeng, Iran League, Bameng, Hohhot and Baotou all have different degrees happened. Among them, the Uruguayan region